Mawera - Model FU RIA Series - Firebox Boiler
This MAWERA underfeed stoker series is the result of many years of experience in developing and designing fireboxes. Its modular set-up and thought-out design allows us serial producing the units in our own workshop according to high quality standards.
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Products Details
The firebox is equipped with a double grate, each of them having a separate primary air supply. This feature guarantees that a wide range of biomass fuels can be burned. End users range from the primary wood processing industry, to reman plants, but also district heating of public buildings or residential complexes.
The unit employs a special design for completely automated combustion of try and moist wood particles and wood chips. For fuel with a high nitrogen content the combustion chamber is also available with a Low-NOx Reduction technology.
The stoker feeds the fully refractory lined combustion chamber from underneath. A hermetically insulated Three-pass flame tube boiler sits on top of the firebox.
Wood fuel is discharged from bunkers or silos using MAWERA’s hydraulic push rams or MAWERA’s silo discharge system, respectively. Depending on architectural constrains and the particle size of the fuel, push rods, chain conveyors or tube screw augers can be used to convey the fuel.
Main Features:
- resting firebed yields significantly lower emissions
- flame temperature control with integrated, adaptive O2 control
- built-in emergency heat exchanger allows quick operational changes; meets DIN 4751 part 2 (German industrial standard)
- high efficiency: up to 91%
- three-pass flame tube boiler with flue gas temperatures below 374°F (190°C) at full-load
- heat output can be gradually varied between 25% to 100% of the rated capacity; low emissions even at partial load
- The unit requires the lowest attention possible
- The combustion chamber features high quality, insulating refractory, and an optimized combustion air supply that guarantee complete combustion of a wide variety of wood fuel at the high est possible conversion efficiency
- minimal radiation losses through complete insulation of the entire boiler unit
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